SYSERR(root): ldap_init/ldap_bind failed ??

[BipinDas]

Dear List,
I do have a mail distribution system.Sendmail/CyrusImap/LDAP. Everything =

working fine till today morning. But from today morning Cyrus server =

gaves me a strange error. And the mail is not transmitting. Can anybody =

gone across the similar problem? Please help
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tail -f /var/log/syslog
sm-mta[30503]: l4N9vYKS014571: SYSERR(root): ldap_init/ldap_bind failed =

to localhost in map virtuser: Protocol error
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Thanks in Advance
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